外文翻译---面向对象的液压系统分析研究.doc

1英文原版资料一：摘至FluidPowerTransmissionAndControl（流体传动与控制）2004年第5期Thefacingtargethydraulicsystemanalysesandresearchesfirst,facingtargetanalysisbriefintroductioninthedevelopmentitemofthelarge-scalesoftware,nomatterreal-timecontrolsystem,databasesystem,artificialintelligencesystem,reachtheautomaticcodetoproducespecifically,orexpandtotheCIMSsofafactory,acommondemandexists,setupsystematicinformationmodelatnetworkanalysisstage.Innumeroussystematicanalyticalmethods,thetarget-orientedanalysis(OOA)themethodapproachesthehumanmodeofthinkingevenmore,beingusedbymoreandmorenetworkanalysispersonnelHoldtothepersonfacingtargetsviewandthink,thestructureofthecomputerprogramshouldkeepthesamewithnecessaryproblemsolved,butnotkeepunanimitywithacertainanalyticalmethod.Experienceindicates,astoanysoftwaresystem,amongthemthemoststeadycompositionisthecompositionsoftalkingabouttheland(PROBLEMDOMAIN)ofthecorrespondingproblem.Itgoeswrongtobebecausequestiontalkaboutsomecompositionsoflandtoousuallysystematically.So,carryonabundantanalysisandunderstandaccuratelytothequestionitisimportantfoundationswithsteadysecuritysystemintermsoftheland.Thenwhatisthetargetonearth?Saypopularly,thetargetmeanstheobjectiveentityintheworld,itcanknowsomethings(storethedata),encapsulateservedobysomework,anditiswithtargetsotherincoordinationwith(passbynewsofexchanging),thusfinish(module)allfunctionsofthesystem.Whyinterestedinthetarget?Answercanreplyofusingingsimple.Thoughfromthatcomputerproducethebeginning,wereplycodeofusingalready,facetargettechnologyallow,replyspendnotmerelythecode,thereareotheralotofthings.Throughfacingtargetstechnology,wecanreplybydemand,analysis,designing,testingplan,usersinterfaceandsystemstructure,etc.Facetargetanalyticalmethodbasedontarget,attribute,kindbelongtoandmember,wholeandsomethebasicconception.ThelargeGreatBritainsencyclopaediaispointedout:Themankindisgenerallyusingthreestructurerulesduringtheprocessofknowingandunderstandingtherealworld:Distinguishtargetandhisattribute.Forexample,2distinguishthesizeofatreeandtreeorspacepositionrelation.Distinguishwholetargetandhiscomponent.Forexample,distinguishatreeandbranch.Forminganddifferentiationofdifferenttargets.Forexample,kindofalltreesandallstonesofforminganddifferentiationofkind.OOAisbasedondailyruleoftheabovethree.OOAmodeldescribedthatshowssometalkaboutthetargetintheland,andvariousstructuralrelationsandcommunicationrelationsparticularly.OOAmodelhastwouses.Firstofall,eachsoftwaresetupamongparticularrealworld,OOAmodeluseformalizationviewofrealworldthis.Itissetuptovarioustargets,saysseparatelytheinstitutionalframeworkwithmainsoftwaresystemandrealworldimposeonvariousrulesofthesoftwaresystemandrestraintheterms.Secondly,giveonegrouptargetdefinitely,OOAmodelstipulatehowaboutincoordinationwithcouldfinishsoftwaresystemdesignatedworkitwillbethey.Thiskind,incoordinationwithexpressinginthemodelbyindicatingagroupofnewsjoinscommunicationwaybetweenthetargets.OOAisbasedondailyruleoftheabovethree.OOAmodeldescribedthatshowssometalkaboutthetargetintheland,andvariousstructuralrelationsandcommunicationrelationsparticularly.OOAmodelhastwouses.Firstofall,eachsoftwaresetupamongparticularrealworld,OOAmodeluseformalizationviewofrealworldthis.Itissetuptovarioustargets,saysseparatelytheinstitutionalframeworkwithmainsoftwaresystemandrealworldimposeonvariousrulesofthesoftwaresystemandrestraintheterms.Secondly,giveonegrouptargetdefinitely,OOAmodelstipulatehowaboutincoordinationwithcouldfinishsoftwaresystemdesignatedworkitwillbethey.Thiskind,incoordinationwithexpressinginthemodelbyindicatingagroupofnewsjoinscommunicationwaybetweenthetargets.ThisliterarygraceisbyanalyticalmethodthatEdYourdonproposes,OOAmodelisdividedintofivelevels.ThiskindofhierarchicalstructureallowstocometotreatOOAmodelfromdifferentangles,and,thiskindofstructurebenefitsanddealswithbiggerOOAmodeleffectivelytoo.英文原版资料二：摘至FluidPowerTransmissionAndControl（流体传动与控制）2004年第6期thetraditionalhydraulicpressureandcontrol3thehydraulicautomationequipmentandmakemoreandmorecomplicated,besidesgeneralcontrollingelectrically,andalsoincreasesportstocontrol,usershavealsoputforwardmorerequirements,thereshouldbeflexibleandchangeablecontrolprocedure,shouldnetworkthenetworksanddatabasestofactory,andalsoreducethefabricationcost,shortendevelopmenttime,evenwilladdthefunctionliveaftertheapparatussellsout,thesearenotmerelythechallengethatyoumeet,andthechallengefacedindevelopmentofthehydraulictechnologytoo.theautomatictechnologychangeswitheachpassingday,theautomatedsystemismoreandmorecomplicated,soonethatbringismoreandmoretoautomaticdemands,forinstanceservocylindersportsarecontrolled,becauseladder-shapedpicture,flowdiagramsandorderpredicativespeechesfacethehardwareartificial,soreceiveverygreatrestrictionwhilefinishingthesenewfunctions,andincreasebyalotofexpenses.Inordertoremedythesedefects,traditionalPLCtransferssomefunctionstothemoduleorapparatuswithsingleotherthings,thenprogrammingcomesinanothersetoflanguages.Thishascausedalargeamountofsoftwareinterfaceanddatainterchange.Forexampleservosportsarecontrolledandallneedtoprogrammealone,increasethecomplexity,expensesandtimeofprogramming.Inordertomeettheautomaticnewdemand,developanddevelopandfacetheprogrammablecontrollerthatthesportcoursecontrolled,itistheautomatictechnologythatseeksthenewopportunity,offerthenewchoice.英文原版资料三：摘至DEVELOPMENTINNOVATIONOFMACHINERYELECTRICALPRODUCTS（机电产品开发与创新）2005年第一期Thelarge-scalecomponentcomputercontrolsthehydraulicpressuretopromoteinstep.Thehydraulicpressureoflarge-scalecomponentpromotestheconstructionmountingtechniquethattechnologyisanoveloneinstep.Itdifferentfromtraditionalpromotionmethod,adoptflexiblesteelcutwithscissorslineorrigiditypostbearing,risercluster,computeriscontrolled,thehydraulicpressurepromotesthenewprincipleinstep,combine4modernizedconstructionmethod,tonofcomponentsuntilgroundassembled,wholebringuptoandisbookedtohighlyinstallandtakeonesplace.Inthecourseofpromoting,notonlycancontrolmovementpostureandstressofthecomponentandisdistributed,canalsoletstructurepieceheldupinandalittleworkupandregulateinemptymidiumorlongterm,realizeinvertingconstructingandconcatenationinthesky,finishthemanpowerandexistingequipmentconstructiontaskdifficulttofinish,makethejack-upinstallationofthelarge-scalecomponentsimpleandconvenientandswift,safeandreliable.Inourcountry,thistechnologybeginsfromtheendoftheeighties,applyShanghaistoneentrancetoacavesecondpowerplanttosuccessivelyandWaigaoqiaoBondedZonepowerplantthechimneyofthetubewasinvertedandconstructed,OrientalPearlBroadcastingandTVTowersteelaerialmastofShanghaiispromotedwholly,thesteelarchoveragateofroomofmainwebsiteofBeijingWestRailwayStationispromotedwholly,BeijingCapitalAirportfourseathangarnetworksetsofroofingpromotea